/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller.member;

import dao.SanPhamDAO;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Ngoc Linh
 */
@WebServlet(name = "addresource", urlPatterns = {"/member/addresource.do"})
public class addresource extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            if (request.getCharacterEncoding() == null) {
                request.setCharacterEncoding("UTF-8");
            }

            HttpSession session = request.getSession();

            if (session.getAttribute("maSPVuaThem") == null) {
                response.sendRedirect("home.do");
                return;
            }

            if (session.getAttribute("taiKhoan") == null) {
                session.setAttribute("returnPage", request.getRequestURI());
                response.sendRedirect("../login.do");
                return;
            }

            session.setAttribute("urlReturn", "addresource.do");
            session.setAttribute("destination", "/images/data/product/");

            if (session.getAttribute("upload") != null) {
                List<String> listFile = (List<String>) session.getAttribute("upload");

                if (listFile != null && listFile.isEmpty() == false) {

                    //Xử lý list file upload:                    
                    if (request.getParameter("save_image") != null) {
                        String hinhDaiDien = request.getParameter("main_img");
                        int maSP = (Integer) session.getAttribute("maSPVuaThem");

                        if (SanPhamDAO.UpdateMultimedia(maSP, listFile, hinhDaiDien) == true) {
                            request.setAttribute("message", "Cập nhật tài nguyên cho sản phẩm thành công !");
                            session.setAttribute("maSPVuaThem", null);
                        } else {
                            request.setAttribute("messageError", "Cập nhật tài nguyên cho sản phẩm thất bại !");
                        }
                    }

                } else {
                    request.setAttribute("messageError", "Upload hình ảnh thất bại !");
                }
            }

            String urlView = "addresource.jsp";
            RequestDispatcher rd = request.getRequestDispatcher(urlView);
            rd.forward(request, response);
        } catch (Exception ex) {
            response.sendRedirect("../errorpage.do");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
